Toyota Sienna Service Manual: Terminals of ECU

Toyota Sienna Service Manual / Cruise control / Dynamic laser cruise control system / Terminals of ECU

1. CHECK DISTANCE CONTROL ECU

CHECK DISTANCE CONTROL ECU

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK DISTANCE CONTROL ECU

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

2. CHECK ECM

CHECK ECM

If the value is not within the specified range, the ECM may have a malfunction.

3. CHECK LASER SENSOR

CHECK LASER SENSOR

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK LASER SENSOR

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

Problem symptoms table

HINT: Use the table below to help determine the cause of the problem symptom. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Re ...

Diagnosis system

1. DIAGNOSIS FUNCTION The diagnosis function makes the light and the multi-information display come on, and the CRUISE main indicator light blink as shown in the illustration. When ...

Other materials:

Display does not Dim when Light Control Switch is Turned ON
INSPECTION PROCEDURE 1 CHECK IMAGE QUALITY SETTING Enter the display adjustment screen by pressing the "DISPLAY" switch. Turn the light control switch to the TAIL position. Check if "DAY MODE" on the display adjustment is ON. OK: "DAY MODE" ...

Disassembly
1. REMOVE GENERATOR CLUTCH PULLEY (A) using a screwdriver, remove the generator pulley cap. (b) Set SST (A) and (B). SST 09820-63020 (c) Clamp SST (A) in a vise. NOTICE: Be sure to fix the flat surface of SST (A) in a vise. (d) Place the rotor shaft end int ...

Sliding door child-protector locks
The sliding door cannot be opened by the inside door handle and the second seat sliding door switch when the lock is set. Unlock Lock These locks can be set to prevent children from opening the sliding doors. Push down on each sliding door switch to lock that sliding door. The p ...